package com.myblog.myblog.controller.admin;

import com.myblog.myblog.poge.Type;
import com.myblog.myblog.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.validation.Valid;
import javax.xml.ws.BindingProvider;

@Controller
@RequestMapping("/admin")
public class TypeController {
    @Autowired
    private TypeService typeService;

    @GetMapping("/types")
    public String admintypes(@PageableDefault(size = 10,sort = {"id"},direction = Sort.Direction.DESC)
                                         Pageable pageable, Model model){
        model.addAttribute("page",typeService.listType(pageable));
        return "admin/admintypes";
    }

    @GetMapping("/types/input")
    public String input(Model model){
        model.addAttribute("type",new Type());
        return "admin/types_input";
    }

    @GetMapping("/types/{id}/input")
    public String editInput(@PathVariable Long id, Model model){   //@PathVariable 接收id
        model.addAttribute("type",typeService.getType(id));
        return "admin/types_input";
    }

    @PostMapping("/types/save")
    public String post(@Valid Type type, BindingResult result, RedirectAttributes attributes,Model model){
        Type type1 = typeService.getTypeByName(type.getName());
        if (type1 != null){
            result.rejectValue("name","nameError","不能添加重复");
        }
        if (result.hasErrors()){
            return "admin/types_input";
        }
        Type t1 = typeService.saveType(type);
        if (t1 == null){
            attributes.addFlashAttribute("message","恭喜，添加错误!");
        }else {
            attributes.addFlashAttribute("message","恭喜，添加成功!");
        }
        return "redirect:/admin/types";
    }

    @PostMapping("/types/save/{id}")
    public String editPost(@Valid Type type, BindingResult result,
                           @PathVariable Long id, RedirectAttributes attributes,Model model){
        Type type2 = typeService.getTypeByName(type.getName());
        if (type2 != null){
            result.rejectValue("name","nameError","不能添加重复");
        }
        if (result.hasErrors()){
            return "admin/types_input";
        }
        Type t1 = typeService.updateType(id,type);
        if (t1 == null){
            attributes.addFlashAttribute("message","恭喜，更新错误!");
        }else {
            attributes.addFlashAttribute("message","恭喜，更新成功!");
        }
        return "redirect:/admin/types";
    }

    @GetMapping("/types/{id}/delete")
    public String delete(@PathVariable Long id,RedirectAttributes attributes){
        typeService.deleteType(id);
        attributes.addFlashAttribute("message","恭喜，删除成功!");
        return "redirect:/admin/types";
    }
}
